CVE-2023-54090

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 47.8% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-08-04.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-12-24 13:06Z10 MO AGO

Last updated

2026-08-05 09:17Z2 MO AGO

Reserved

2025-12-24

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-1285Improper Validation of Specified Index, Position, or Offset in InputBase

Data version

5.2

Document digest

415a16fc6840d43087fb9c1143d24893df0c01b0704acf8509d8ae3808aedd81

• git.kernel.orghttps://git.kernel.org/stable/c/1924450175349e64f8dfc3689efcb653dba0418e
• git.kernel.orghttps://git.kernel.org/stable/c/785b2b5b47b1aa4c31862948b312ea845401c5ec
• git.kernel.orghttps://git.kernel.org/stable/c/4cd43a19900d0b98c1ec4bb6984763369d2e19ec
• git.kernel.orghttps://git.kernel.org/stable/c/c23ae5091a8b3e50fe755257df020907e7c029bb